Optically controlled liquid crystal device using azopolymer films

IEEE Journal of Quantum Electronics

Volumn 36, Issue 7, 2000, Pages 824-827

  Li, Xiang Tong ^a,b,d,e,f   Natansohn, Almeria ^a   Kobayashi, Shunsuke ^c   Rochon, Paul ^d  

^a QUEEN S UNIVERSITY   (Canada)

^b JDS UNIPHASE   (United States)

^c TOKYO UNIVERSITY OF SCIENCE   (Japan)

^d ROYAL MILITARY COLLEGE OF CANADA   (Canada)

^e TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY   (Japan)

^f International Liquid Crystal Society ^*

Author keywords

[No Author keywords available]

Indexed keywords

ARGON; BENZENE; DIFFRACTION GRATINGS; GLASS TRANSITION; HEATING; LASER BEAMS; LIGHT; LIGHT POLARIZATION; PLASTIC COATINGS; PLASTIC FILMS; SUBSTRATES; TEMPERATURE;

ARGON LASER BEAM; AZOPOLYMER FILM; SPIN COATING; SURFACE RELIEF GRATING; TWISTED ALIGNMENT STRUCTURE;

LIQUID CRYSTAL DISPLAYS;

EID: 0034230180     PISSN: 00189197     EISSN: None     Source Type: Journal    
DOI: 10.1109/3.848354     Document Type: Article

References (22)

1. W. M. Gibbons, P. J. Shannon, S.-T. Sun, and B. J. Swetlin, "Surface-mediated alignment of nematic liquid crystals with polarized laser light," Nature, vol. 351, pp. 49-50, 1991.
2. Y. Kawanishi, T. Tamaki, M. Sakuragi, T. Seki, Y. Suzuki, and K. Ichimura, "Photochemical induction and modulation of nematic homogeneous alignment by polarization photochromism of surface azobenzenes," Langmuir, vol. 8, pp. 2601-2604, 1992.
3. M. Schadt, H. Seiberle, and A. Schuster, "Optical patterning of multi-domain liquid crystal displays with wide viewing angles," Nature, vol. 381, pp. 212-215, 1992.
4. W. M. Gibbons, T. Kosa, P. Palffy-Muhoray, P. J. Shannon, and S.-T. Sun, "Continuous grey-scale image storage using optically aligned nematic liquid crystals," Nature, vol. 377, pp. 43-46, 1995.
5. T. Ikeda and O. Tsutsumi, "Optical switching and image storage by means of azobene liquid crystal films," Science, vol. 268, pp. 1873-1875, 1995.
6. T. Y. Marusii and Y. A. Reznikov, "Photosensitive orientants for liquid crystal alignment," Molecular Material, vol. 56, pp. 161-176, 1993.
7. G. P. Bryan-Brown, I. C. Sage, and V. C. Hui, "Voltage-dependent anchoring of a nematic liquid crystal on a grating surface," Nature, vol. 392, pp. 365-367, 1998.
8. D.-Y. Kim, J. Kumar, and S. Tripathy, "Liquid crystal alignment using optically induced surface reflief gratings on azo polymer films," ACS Polymer Preprints, vol. 39, pp. 1107-1108, 1998.
9. X. T. Li, A. Natansohn, and P. Rochen, "Photoinduced liquid crystal alignment based on a surface relief grating in an assembled cell," Appl. Phys. Lett., vol. 74, pp. 3971-3974, 1999.
10. A. Pafenov, N. Tamaoki, and S. Ohnishi, "Photoinduced alignment of nematice liquid crystal on the polymer surface microrelief," J. Appl. Phys., vol. 87, pp. 2043-2045, 2000.
11. M. S. Ho, A. Natansohn, and P. Rochon, "Azo polymers for reversible optical storage. 7. The effect of the size of the photochromic groups," Macromolecules, vol. 28, pp. 6124-6127, 1995.
12. P. Rochon, E. Batalla, and A. Natansohn, "Optically induced surface gratings on azoaromatic polymer-films," Appl. Phys. Lett., vol. 66, pp. 136-138, 1995.
13. D. Kim, S. Tripathy, L. Li, and J. Kumar, "Laser-induced holographic surface relief gratings on nonlinear optical polymer films," Appl. Phys. Lett., vol. 66, pp. 1166-1168, 1995.
14. P. Ramanujam, N. Holme, and S. Hvilsted, "Atomic force and optical near-field microscopic investigations of polarization holographic gratings in a liquid crystalline azobenzene side-chain polyester," Appl. Phys. Lett , vol. 68, pp. 1329-1331, 1996.
15. C. J. Barrett, P. Rochon, and A. Natansohn, "Model of laser-driven mass transport in thin films of dye-functionalized polymers," J. Chem. Phys., vol. 109, pp. 1505-1516, 1998.
16. J. Kumar, L. Li, X. L. Jiang, D.-Y. Kim, T. S. Lee, and S. Tripathy, "Gradient force: The mechanism for surface relief grating formation in azobenzene functionalized polymers," Appl. Phys. Lett., vol. 72, pp. 2096-2098, 1998.
17. P. Lefin, C. Fiorini, and J. M. Nunzi, "Anisotropy of the photoinduced translation diffusion of azobenzene dyes in polymer matrices," Pure Appl. Opt., vol. 7, pp. 71-82, 1998.
18. T. G. Pedersen, P. M. Johansen, N. Holme, P. Ramanujam, and S. Hvilsted. "Mean-field theory of photoinduced formation of surface reliefs in side-chain azobenzene polymers," Phys. Rev. Lett., vol. 80, pp. 89-92, 1998.
19. R. Sun, X. Huang, K. Ma, Z. Wang, and M. Jiang, "Alternative method of investigating surface torsional anchoring energy for pure nematic liquid crystals," Phys. Rev. E, vol. 50, pp. 1253-1256, 1994.
20. D.-S. Seo, H. Matsuda, J. Ishizaki, Y. Iimura, and S. Kobayashi, "Surface alignment of liquid crystals in LCDs," in Dig. SID'93, vol. 24, 1993, pp. 953-956.
21. X. T. Li, D. H. Pei, S. Kobayashi, and Y. Iimura, "Measurement of azimuthal anchoring energy at liquid crystal/photopolymer interface," Jpn. J. Appl. Phys., vol. 36, pp. L432-L434, 1997.
22. N. A. Clark, "Surface memory effects in liquid crystals: Influence of surface composition," Phys. Rev. Lett., vol. 55, pp. 292-295, 1985.